Omega “Seamaster”

European Watch Clock and Jewellery Fair 1982 BF 313
These two Omega wristwatches are practically scratchproof. The upper part of their case and bracelet are made of an ultra-hard metal which diamond alone can mar. Their crystal is sapphire, equally scratchresistant. Water-resistant to 30 m, luminous dials, quartz movement. Registered models. (OMEGA t’Seamaster")